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41558-01 12
Air Purier Maintenance
Fig. 11
PREFILTER
HOOK
TAPE
HOOK
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6. Place the front grill back onto the unit. First, line up the tab on the bottom of
the grill with the recess on the purier base and then push the top of the grill
forward until it is closed. Refer to Figs. 6 and 7 (pg. 7). NOTE: This unit will not
operate unless the grill is in the correct position.
7. Plug in the air purier.
8. Finally, reset the Pre-Filter Counter by pressing the PREFILTER RESET
key for 2
seconds. The Pre-Filter Counter will return to 100% and the Pre-Filter indicator
will stop ashing.
Cleaning the Filter
The PermaLife™ Filtration System uses a cleanable lter that never has to be changed, only
cleaned. When the lter exceeds 2800 hours (approximately 4 to 6 months of use), the Filter
Life Counter will display 0% life remaining and the Filter indicator will ash (refer to Filter
Life Counters for additional information, pg. 9). This is a reminder that you should check
the lter and clean if necessary. The proper time to clean the lter depends on usage and
the environment. Use the following list to help determine if the lter should be cleaned:
• Compare the color of the lter to the color coded chart on the inside of the housing. If
the lter color matches the darkest color on the chart, you should clean the lter.
• If you notice a decrease in air output or an increase in noise at any time during normal
operation, the lter may be clogged. Clean the lter to return to normal operation.
To clean the lter and reset the Filter Life Counter:
1. First, turn o and unplug the air purier.
2. Next, remove the front grill. Place your ngers under the handle on the grill
and pull forward, then up. Refer to Figs. 4 and 5 (pg. 6).